So4 Lewis Structure ((new)) -

The initial structure (Structure A) looks like this:

Formal Charge = (Valence electrons) - (Non-bonding electrons) - ½(Bonding electrons) so4 lewis structure

.. .. :O: :O: | | ..:O--S--O:.. | | :O: :O: .. .. At first glance, every atom has an octet. Sulfur is surrounded by 4 single bonds, meaning it has 8 electrons around it. So why is this structure incomplete? The answer lies in . 2. The Problem of Formal Charge Formal charge is a bookkeeping tool that helps us identify the most stable, plausible Lewis structure. It does not represent a real charge, but rather the electron “ownership” difference between an atom in a molecule and a free atom. The initial structure (Structure A) looks like this: